BR102016012275A2 - conjuntos de hélice e de retenção de pá de hélice - Google Patents

conjuntos de hélice e de retenção de pá de hélice Download PDF

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Publication number
BR102016012275A2
BR102016012275A2 BR102016012275A BR102016012275A BR102016012275A2 BR 102016012275 A2 BR102016012275 A2 BR 102016012275A2 BR 102016012275 A BR102016012275 A BR 102016012275A BR 102016012275 A BR102016012275 A BR 102016012275A BR 102016012275 A2 BR102016012275 A2 BR 102016012275A2
Authority
BR
Brazil
Prior art keywords
propeller
contour
blade
sleeve
hub
Prior art date
Application number
BR102016012275A
Other languages
English (en)
Portuguese (pt)
Inventor
Amit Arvind Kurvinkop
Bajarang Agrawal
David Raju Yamarthi
Murugesan Periasamy
G Nagashiresha
Rajendra Vishwanath Pawar
Ravindra Shankar Ganiger
Sandeep Kumar
Original Assignee
Ge Aviat Systems Llc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Ge Aviat Systems Llc filed Critical Ge Aviat Systems Llc
Publication of BR102016012275A2 publication Critical patent/BR102016012275A2/pt

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B64—AIRCRAFT; AVIATION; COSMONAUTICS
    • B64C—AEROPLANES; HELICOPTERS
    • B64C11/00—Propellers, e.g. of ducted type; Features common to propellers and rotors for rotorcraft
    • B64C11/02—Hub construction
    • B64C11/04—Blade mountings
    • B64C11/06—Blade mountings for variable-pitch blades
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B64—AIRCRAFT; AVIATION; COSMONAUTICS
    • B64C—AEROPLANES; HELICOPTERS
    • B64C11/00—Propellers, e.g. of ducted type; Features common to propellers and rotors for rotorcraft
    • B64C11/16—Blades
    • B64C11/20—Constructional features
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01D—NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
    • F01D5/00—Blades; Blade-carrying members; Heating, heat-insulating, cooling or antivibration means on the blades or the members
    • F01D5/30—Fixing blades to rotors; Blade roots ; Blade spacers
    • F01D5/3023—Fixing blades to rotors; Blade roots ; Blade spacers of radial insertion type, e.g. in individual recesses
    • F01D5/303—Fixing blades to rotors; Blade roots ; Blade spacers of radial insertion type, e.g. in individual recesses in a circumferential slot

Landscapes

  • Engineering & Computer Science (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)
BR102016012275A 2015-06-16 2016-05-30 conjuntos de hélice e de retenção de pá de hélice BR102016012275A2 (pt)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US14/740,337 US9957038B2 (en) 2015-06-16 2015-06-16 Propeller assemblies and propeller blade retention assembly

Publications (1)

Publication Number Publication Date
BR102016012275A2 true BR102016012275A2 (pt) 2016-12-27

Family

ID=56132808

Family Applications (1)

Application Number Title Priority Date Filing Date
BR102016012275A BR102016012275A2 (pt) 2015-06-16 2016-05-30 conjuntos de hélice e de retenção de pá de hélice

Country Status (6)

Country Link
US (1) US9957038B2 (fr)
EP (1) EP3106387A1 (fr)
JP (1) JP2017007653A (fr)
CN (1) CN106256683A (fr)
BR (1) BR102016012275A2 (fr)
CA (1) CA2931923A1 (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
USD767112S1 (en) * 2015-04-15 2016-09-20 K&N Engineering, Inc. Vent breather
FR3097835A1 (fr) 2019-06-27 2021-01-01 Airbus Helicopters Hélice d’avancement munie de pales interchangeables et procédé de montage de pales interchangeables sur une hélice d’avancement
CN110356542A (zh) * 2019-07-23 2019-10-22 安徽卓尔航空科技有限公司 一种具有可调式高效气动力螺旋桨

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2318486A (en) 1940-04-16 1943-05-04 Hoover Walter Scott Propeller blade packing
US2436612A (en) * 1942-10-28 1948-02-24 Curtiss Wright Corp Sealed propeller hub arrangement
US2874932A (en) 1952-02-25 1959-02-24 Maschf Augsburg Nuernberg Ag Steel turbine rotors with ceramic blades
US3434546A (en) 1966-09-14 1969-03-25 Bell Aerospace Corp Rotor blade grip bearing
US4850801A (en) * 1987-12-21 1989-07-25 United Technologies Corporation Aircraft propeller blade retention
US7422419B2 (en) 2005-08-17 2008-09-09 Hamilton Sundstrand Corporation Propeller blade retention system
US7445427B2 (en) * 2005-12-05 2008-11-04 General Electric Company Variable stator vane assembly and bushing thereof
US8753088B2 (en) 2008-02-28 2014-06-17 Textron Innovations Inc. Propeller blade retention device
US20150110633A1 (en) 2013-10-18 2015-04-23 Hamilton Sundstrand Corporation Retention assembly with a conical interface for a propeller blade
US9849969B2 (en) 2015-03-20 2017-12-26 Hamilton Sunstrand Corporation Lightweight propeller blade with improved retention capacity

Also Published As

Publication number Publication date
US9957038B2 (en) 2018-05-01
US20160368591A1 (en) 2016-12-22
CA2931923A1 (fr) 2016-12-16
CN106256683A (zh) 2016-12-28
EP3106387A1 (fr) 2016-12-21
JP2017007653A (ja) 2017-01-12

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Legal Events

Date Code Title Description
B03A Publication of an application: publication of a patent application or of a certificate of addition of invention
B06U Preliminary requirement: requests with searches performed by other patent offices: suspension of the patent application procedure
B11B Dismissal acc. art. 36, par 1 of ipl - no reply within 90 days to fullfil the necessary requirements